Test sequence (vehicles with 01M transmission): Notes

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect 12-pin harness connector at transmission.

Observe safety precautions. Refer to Safety precautions .

Check harness connector for contact corrosion and ingress of water.

If harness connector is not OK:

Repair the malfunction.
Erase DTC memory of Transmission Control Module (TCM). Refer to Diagnostic mode 4: Reset/erase diagnostic data
Generate readiness code. Refer to Readiness code, generating

If harness connector is OK:

Check resistance of solenoid valves. Refer to Checking resistance of solenoid valves .